Opendata, web and dolomites


Using fine structure line emission to observe the life-cycle of molecular clouds

Total Cost €


EC-Contrib. €






Project "BEYONDCO" data sheet

The following table provides information about the project.


Organization address
address: NEWPORT ROAD 30-36
postcode: CF24 ODE

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 183˙454 €
 EC max contribution 183˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-10-06   to  2018-10-05


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CARDIFF UNIVERSITY UK (CARDIFF) coordinator 183˙454.00


 Project objective

The formation of stars underpins all of astrophysics, from driving the evolution of galaxies to setting the conditions for the genesis of planetary systems. Stars form deeply embedded in the densest regions of molecular clouds (MCs), but we still know very little about how MCs are assembled and destroyed -- the two processes that ultimately set the timescale over which stars can form. Since carbon monoxide (CO) forms up to 10 Myr after the MC forms and is easily dissociated by energetic photons, it is a poor probe of MC formation and stellar feedback.

This project aims to determine the range of conditions under which MCs are formed and destroyed using newly accessible tracers of MCs and their environments: ionised carbon ([CII]), atomic carbon ([CI]) and atomic oxygen ([OI]). Together with CO, these tracers supply a comprehensive structural and dynamical profile of MC environments. In a sample of galactic clouds, we will measure the gas density, temperature and the local interstellar radiation field. We will compare observed dynamic signatures to simulations to MC formation scenarios, and we will determine the peak turbulence driving scale and the nature of stellar feedback in dense and diffuse gas.

This project makes timely use of new observational capabilities offered by Herschel and SOFIA alongside results of state-of-the-art numerical simulations. Using these tools together, the fellow will determine the physical processes driving the formation and destruction of MCs, which can be applied to better understand how galaxies evolve as star formation engines.


year authors and title journal last update
List of publications.
2017 K. A. Marsh, A. P. Whitworth, O. Lomax, S. E. Ragan, U. Becciani, L. Cambrésy, A. Di Giorgio, D. Eden, D. Elia, P. Kacsuk, S. Molinari, P. Palmeirim, S. Pezzuto, N. Schneider, E. Sciacca, F. Vitello
Multitemperature mapping of dust structures throughout the Galactic Plane using the PPMAP tool with Herschel Hi-GAL data
published pages: 2730-2742, ISSN: 0035-8711, DOI: 10.1093/mnras/stx1723
Monthly Notices of the Royal Astronomical Society 471/3 2019-04-18
2016 S. E. Ragan, T. J. T. Moore, D. J. Eden, M. G. Hoare, D. Elia, S. Molinari
The prevalence of star formation as a function of Galactocentric radius
published pages: 3123-3129, ISSN: 0035-8711, DOI: 10.1093/mnras/stw1870
Monthly Notices of the Royal Astronomical Society 462/3 2019-04-18
2018 S E Ragan, T J T Moore, D J Eden, M G Hoare, J S Urquhart, D Elia, S Molinari
The role of spiral arms in Milky Way star formation
published pages: 2361-2373, ISSN: 0035-8711, DOI: 10.1093/mnras/sty1672
Monthly Notices of the Royal Astronomical Society 479/2 2019-04-18
2018 M. R. Rugel, H. Beuther, S. Bihr, Y. Wang, J. Ott, A. Brunthaler, A. Walsh, S. C. O. Glover, P. F. Goldsmith, L. D. Anderson, N. Schneider, K. M. Menten, S. E. Ragan, J. S. Urquhart, R. S. Klessen, J. D. Soler, N. Roy, J. Kainulainen, T. Henning, F. Bigiel, R. J. Smith, F. Wyrowski, S. N. Longmore
OH absorption in the first quadrant of the Milky Way as seen by THOR
published pages: A159, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201731872
Astronomy & Astrophysics 618 2019-04-18
2017 Sarah E Ragan
The role of spiral arms in Milky Way star formation
published pages: 565, ISSN: , DOI:
Memorie della Societa Astronomica Italiana 88 2019-04-18
2017 Davide Elia, S. Molinari, E. Schisano, M. Pestalozzi, S. Pezzuto, M. Merello, A. Noriega-Crespo, T. J. T. Moore, D. Russeil, J. C. Mottram, R. Paladini, F. Strafella, M. Benedettini, J. P. Bernard, A. Di Giorgio, D. J. Eden, Y. Fukui, R. Plume, J. Bally, P. G. Martin, S. E. Ragan, S. E. Jaffa, F. Motte, L. Olmi, N. Schneider, L. Testi, F. Wyrowski, A. Zavagno, L. Calzoletti, F. Faustini, P. Natoli, P. Palmeirim, F. Piacentini, L. Piazzo, G. L. Pilbratt, D. Polychroni, A. Baldeschi, M. T. Beltrán, N. Billot, L. Cambrésy, R. Cesaroni, P. García-Lario, M. G. Hoare, M. Huang, G. Joncas, S. J. Liu, B. M. T. Maiolo, K. A. Marsh, Y. Maruccia, P. Mège, N. Peretto, K. L. J. Rygl, P. Schilke, M. A. Thompson, A. Traficante, G. Umana, M. Veneziani, D. Ward-Thompson, A. P. Whitworth, H. Arab, M. Bandieramonte, U. Becciani, M. Brescia, C. Buemi, F. Bufano, R. Butora, S. Cavuoti, A. Costa, E. Fiorellino, A. Hajnal, T. Hayakawa, P. Kacsuk, P. Leto, G. Li Causi, N. Marchili, S. Martinavarro-Armengol, A. Mercurio, M. Molinaro, G. Riccio, H. Sano, E. Sciacca, K. Tachihara, K. Torii, C. Trigilio, F. Vitello, H. Yamamoto
The Hi-GAL compact source catalogue – I. The physical properties of the clumps in the inner Galaxy (−71$_{.}^{circ}$0 < ℓ < 67$_{.}^{circ}$0)
published pages: 100-143, ISSN: 0035-8711, DOI: 10.1093/mnras/stx1357
Monthly Notices of the Royal Astronomical Society 471/1 2019-04-18
2018 Paul C. Clark, Simon C. O. Glover, Sarah E. Ragan, Ana Duarte-Cabral
Tracing the formation of molecular clouds via [CII], [CI] and CO emission
published pages: , ISSN: , DOI:
2018 A T Barnes, J D Henshaw, P Caselli, I Jiménez-Serra, J C Tan, F Fontani, A Pon, S Ragan
Similar complex kinematics within two massive, filamentary infrared dark clouds
published pages: 5268-5289, ISSN: 0035-8711, DOI: 10.1093/mnras/sty173
Monthly Notices of the Royal Astronomical Society 475/4 2019-04-18

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